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2003 Course Environmental Eng. (Elective I)

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Total No. of Questions : 8] P1619 [Total No. of Pages : 2 [3764]-395 B.E. (Petrochemical Engineering) ENVIRONMENTAL ENGINEERING (2003 Course) (Elective - I) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates : 1) 2) Answer any 3 questions from each section. Answers to the two sections should be written in separate answer books. 3) Figures to the right indicate full marks. 4) Neat diagrams must be drawn wherever necessary. SECTION - I Q1) a) Briefly explain the components of an ecosystem and with the help of diagram, describe an aquatic ecosystem in detail. [10] b) Discuss the environmental impacts of each of the following : [8] i) Coal Mining. ii) Urban Areas. Q2) a) Discuss Classification of Air Pollutants in detail. b) Elaborate on Adsorption of Gaseous Pollutants on Solids . [8] [8] Q3) a) Enlist at least three basic mechanisms of removing particulate matter from gas streams. Enlist also the three T s of combustion. [6] b) With the help of neat sketch describe catalytic oxidation method for air pollution control. [10] Q4) Write short notes on following (Any 4) : a) Sanitary Landfilling. b) Solid Waste Disposal by Incineration. c) Fabric Filter Systems. d) Source Correction Methods for Air Pollution Control. e) Medical Waste Management. f) Cyclone Separators. [16] P.T.O. SECTION - II Q5) a) Elaborate on Water Pollutants . [10] b) With the help of diagram showing interrelationship of solids found in wastewater, describe the types of solids found in a wastewater. [8] Q6) a) Discuss Biochemical Oxygen Demand in detail. [8] b) With the help of diagrams explain pretreatment step of primary treatment [8] of wastewater in detail. Q7) a) Elaborate on Treatment of Liquid Effluents from Petrochemical Industries . [8] b) Discuss Sludge Treatment and Disposal in detail. [8] Q8) Write short notes on following (Any 4) : a) Facultative Ponds. b) Microstraining. c) Treatment of liquid effluent from a Complex Fertilizer Plant. d) Trickling Filters. e) Activated Sludge Systems. f) Origin of Wastewater. rrrr [3764]-395 -2- [16]

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